Thursday 21 Mar - Saturday 30 Mar
Dry for most places at first on Thursday, but rain will quickly spread from the nortwest across all areas. The heaviest and most persistent rain will be in the northwest, with relatively little rain reaching the southeast. Strong winds are also expected, particularly along coasts. Through Friday and the weekend, northwesterly winds will bring a mixture of sunny spells and showers, some of these heavy. A drier spell may develop later in the weekend with temperatures likely to be below normal for many areas. Into the following week, more unsettled conditions will probably develop across parts of the UK, these most likely to affect southern areas. Northern areas are more likely to be dry but also colder.
Sunday 31 Mar - Sunday 14 Apr
Into April pressure is likely to be higher than average to the north of the UK, with low pressure more likely to the west or southwest. This pattern tends to push the focus of unsettled weather further south than usual, with highest rainfall most likely to be in the south of the UK. Conversely, northern areas tend to be drier compared to normal. Temperatures will probably be near average or slightly above overall, with any cooler interludes most likely in the north.
https://www.metoffice.gov.uk/weather/forecast/uk